/** 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.tompai.common.util;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;

import com.tompai.config.security.SecurityUser;

/**
 * 用户相关工具
 * 
 * @author liinux@qq.com
 * @date 2019/10/24
 */
public class EnvUtils {

	/**
	 * 获取当前登录的Authentication
	 * 
	 * @author liinux@qq.com
	 * @date 2019/10/24
	 * @return
	 */
	public static Authentication getCurrentAuthentication() {
		return SecurityContextHolder.getContext().getAuthentication();
	}

	/**
	 * 获取当前登录用户
	 * 
	 * @author liinux@qq.com
	 * @date 2019/10/24
	 * @return
	 */
	public static SecurityUser getCurrentUser() {
		Authentication currentAuthentication = getCurrentAuthentication();
		if (currentAuthentication != null && currentAuthentication.getPrincipal() != null) {
			return (SecurityUser) currentAuthentication.getPrincipal();
		}
		return null;
	}

	/**
	 * 获取当前登录用户id
	 * 
	 * @author liinux@qq.com
	 * @date 2019/10/24
	 * @return
	 */
	public static String getCurrentUserId() {
		SecurityUser currentUser = getCurrentUser();
		if (currentUser != null) {
			return currentUser.getId();
		}
		return null;
	}

	/**
	 * 获取当前登录用户名
	 * 
	 * @author liinux@qq.com
	 * @date 2019/10/24
	 * @return
	 */
	public static String getCurrentUserName() {
		SecurityUser currentUser = getCurrentUser();
		if (currentUser != null) {
			return currentUser.getName();
		}
		return null;
	}

	/**
	 * 获取当前登录账号
	 * 
	 * @author liinux@qq.com
	 * @date 2019/10/24
	 * @return
	 */
	public static String getCurrentAccount() {
		SecurityUser currentUser = getCurrentUser();
		if (currentUser != null) {
			return currentUser.getAccount();
		}
		return null;
	}
}
